Safety

Jan. 10, 2012
A flammable material will burn only when the air contains a sufficient concentration of it

A flammable material will burn only when the air contains a sufficient concentration of it. Not only is this an underlying principle of the Chapter 5 requirements for hazardous locations, it's a key principle to apply when working near, or with, flammable materials.

Here are some tips to follow when working around flammables:

  • If you're the one using a flammable material, read the label and the MSDS. Understand the heat limits, ventilation requirements, and PPE requirements. If the correct PPE isn't available, don't use the flammable material.
  • Don't mix flammable chemicals with other chemicals. Doing so can increase the fire hazard and/or create toxic vapors.
  • Before bringing flammables into an area, find and remove all ignition sources. This may require lockout/tagout. There's no such thing, for example, as "just a little" hexane when you bring a container of it near an ignition source.
  • If you must use a flammable solvent in a battery room, do the cleaning immediately and remove the container when done.

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